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Finding the Fourth Proportional to 567,915.78, 851,423.99 and 283,459.98

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Solution

The fourth proportional to 567,915.78, 851,423.99 and 283,459.98 is: 424,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,915.78 : 851,423.99 = 283,459.98 : x
  2. Step 2: Convert to fraction form
    567,915.78/851,423.99 = 283,459.98/x
  3. Step 3: Cross multiply
    567,915.78x = 851,423.99 × 283,459.98
  4. Step 4: Simplify right side
    567,915.78x = 241,344,625,759.62
  5. Step 5: Solve for x
    x = 241,344,625,759.62/567,915.78
  6. Step 6: Final answer
    x = 424,965.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.